| Mataurá River | |
|---|---|
| Country | Brazil |
| Basin features | |
| Main source | Amazonas state |
| River mouth | Madeira River |
Mataurá River (Portuguese: Rio Mataurá) is a river of Amazonas state in north-western Brazil. It is a tributary of the Madeira River, and merges into this river roughly halfway between the towns of Manicoré and Novo Aripuanã.